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https://github.com/roytam1/mozilla45esr.git
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roytam1
706b4d3150
- #565: M1367219 (6f63dc2cc) - more adblock hosts (8cf4190e2) - #565: implement nsASCIIMask from M1358297 (41b1fc937) (with vc2013 fix by replacing constexpr to MOZ_CONSTEXPR and MOZ_CONSTEXPR_VAR) - #565: M1358225 with fix for M1548306 applied (8eed11298) (with vc2013 fix by replacing constexpr to MOZ_CONSTEXPR and MOZ_CONSTEXPR_VAR) - even more adblock hosts (5d005926f) - #565: M1347737 (9ab5bb0ed) - #565: M1358297 parts 3 and 4 (3fd15a87a) - #521: baseline parser support for async/await, with toggle, without bytecode (passes tests) (0e5746aaf) - #521: fix yield handling (includes M1305566 pts 4-7) (2d25f717b) - #521: make async functions throw for compatibility when enabled (46b01b5d4) - #569: M1204714 (c45b2e8b5) - #568: M1560495 (adapted for 45) M1562033+M1466449 M1559715 M1564449 M1573160 (d019bd3dc) - #568: update certs, pins, TLDs, miners (ed3129eeb) - #570: oops (dd79a9f75) and added -bigobj compile switch to ssl/moz.build.
95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsHtml5String_h
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#define nsHtml5String_h
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#include "nsString.h"
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class nsHtml5TreeBuilder;
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/**
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* A pass-by-value type that combines an unsafe `nsStringBuffer*` with its
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* logical length (`uint32_t`). (`nsStringBuffer` knows its capacity but not
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* its logical length, i.e. how much of the capacity is in use.)
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*
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* Holding or passing this type is as unsafe as holding or passing
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* `nsStringBuffer*`.
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*
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* Empty strings and null strings are distinct. Since an empty nsString does
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* not have a an `nsStringBuffer`, both empty and null `nsHtml5String` have
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* `nullptr` as `mBuffer`. If `mBuffer` is `nullptr`, the empty case is marked
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* with `mLength` being zero and the null case with `mLength` being non-zero.
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*/
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class nsHtml5String final
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{
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public:
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/**
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* Default constructor.
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*/
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inline nsHtml5String()
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: nsHtml5String(nullptr)
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{
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}
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/**
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* Constructor from nullptr.
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*/
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inline MOZ_IMPLICIT nsHtml5String(decltype(nullptr))
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: mBuffer(nullptr)
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, mLength(UINT32_MAX)
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{
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}
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inline uint32_t Length() const { return mBuffer ? mLength : 0; }
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/**
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* False iff the string is logically null
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*/
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inline MOZ_IMPLICIT operator bool() const { return !(!mBuffer && mLength); }
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void ToString(nsAString& aString);
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void CopyToBuffer(char16_t* aBuffer);
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bool LowerCaseEqualsASCII(const char* aLowerCaseLiteral);
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bool EqualsASCII(const char* aLiteral);
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bool LowerCaseStartsWithASCII(const char* aLowerCaseLiteral);
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bool Equals(nsHtml5String aOther);
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nsHtml5String Clone();
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void Release();
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static nsHtml5String FromBuffer(char16_t* aBuffer,
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int32_t aLength,
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nsHtml5TreeBuilder* aTreeBuilder);
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static nsHtml5String FromLiteral(const char* aLiteral);
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static nsHtml5String FromString(const nsAString& aString);
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static nsHtml5String EmptyString();
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private:
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/**
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* Constructor from raw parts.
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*/
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nsHtml5String(already_AddRefed<nsStringBuffer> aBuffer, uint32_t aLength);
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/**
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* nullptr if the string is logically null or logically empty
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*/
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nsStringBuffer* mBuffer;
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/**
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* The length of the string. non-zero if the string is logically null.
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*/
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uint32_t mLength;
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};
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#endif // nsHtml5String_h
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